Merge tag 'Second_Life_Release#4e80ec7e-2025.03' into 2025.03

1 files changed, 9 insertions, 2 deletions

diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index 3537c764b9..77a4976f6b 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -209,8 +209,15 @@ public:
     }
     virtual bool execute( LLTextBase* editor, S32* delta )
     {
-        mWString = editor->getWText().substr(getPosition(), mLen);
-        *delta = remove(editor, getPosition(), mLen );
+        try
+        {
+            mWString = editor->getWText().substr(getPosition(), mLen);
+            *delta = remove(editor, getPosition(), mLen);
+        }
+        catch (std::out_of_range&)
+        {
+            return false;
+        }
         return (*delta != 0);
     }
     virtual S32 undo( LLTextBase* editor )